@misc{indiciae767d85da02a5,
  title = {Error analyses of resonant orbits for geodesy},
  author = {Douglas, B. C. and Martin, C. F. and Wagner, C. A. and Williamson, R. G.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700040225},
  note = {Source identifier: 19700040225}
}